63341 is zip code located in Defiance, Missouri. The population is 3,712, making 63341 the largest zipcode in Defiance and the 10th largest in St. Charles County.
There are 0 public schools in 63341 with an average Homefacts rating of NA. , and there are 11 registered sex offenders residing in the zip code 63341. Unemployment in 63341 is low.